The spectroscopic parallax of a star is the difference between the apparent magnitude, which is the brightness of light from the star reaching Earth, and the absolute magnitude, which is the intrinsic brightness. The spectroscopic parallax S can be used to calculate the distance d, in parsecs, from Earth to the star. The relationship is
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A: Find the spectroscopic parallax of a star that is 10.96 parsecs from Earth.B: Find the distance from Earth of a star that has a spectroscopic parallax of 5.C: Star A is 5 times as far from Earth as star B. How do their spectroscopic parallaxes compare?
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Round your answer to two decimal places if necessary.
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What will be an ideal response?
A: 0.2?B: 100 parsecs?C: The spectroscopic parallax of star A is 3.49 more than that of star B.?
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Which system of inequalities matches the given calculator-generated graph?
A. y > x2 - 4 y < 3 B. y > x2 - 4 y > 3 C. y < x2 - 4 y > 3 D. y < x2 - 4 y < 3
Use a calculator to help solve the equation. Round approximate answers to three places.(1.64 × 104) x + 5.4 × 103 = 8.7 × 102
A. {0.498} B. {0.382} C. {-0.276} D. {-0.498}
Multiply.
A. 2,548,078 B. 2,549,178 C. 2,559,078 D. 2,549,078
Multiply. Write the answer in lowest terms and as a whole or mixed number where possible.48 ? 
A. 6
B. 25
C. 8
D. 30